Home / 45,972.86-68,941.29-17,889.20

Finding the Fourth Proportional to 45,972.86, 68,941.29 and 17,889.20

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Solution

The fourth proportional to 45,972.86, 68,941.29 and 17,889.20 is: 26,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,972.86 : 68,941.29 = 17,889.20 : x
  2. Step 2: Convert to fraction form
    45,972.86/68,941.29 = 17,889.20/x
  3. Step 3: Cross multiply
    45,972.86x = 68,941.29 × 17,889.20
  4. Step 4: Simplify right side
    45,972.86x = 1,233,304,180.36
  5. Step 5: Solve for x
    x = 1,233,304,180.36/45,972.86
  6. Step 6: Final answer
    x = 26,826.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.